Answer Posted / malli.gontla

classic and interactive reports are developed by using
events like initialization, at selection screen,start of
selection, top of page etc.

alv reports are created by using functions and classes.
for functions: Alv_list_grid_display, etc .
for classes:CL_GUI_ALV_GRID, etc are using

LDB,logical database reports, using Get, Get late events.
these are for HR ABAP only.Not Abapers.

Abap query, it is one of reporting tool.no need of coding
use transactions,SQ02,SQ03 and SQ01

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